// 定义变量
$color: #ff0000;
$width: 50%;

@mixin large-text {
    font: {
        family: Arial;
        size: 20px;
        weight: bold;
    }
    color: $color;
}

.page-title {
    @include large-text;
    padding: 4px;
    margin-top: 10px;
}
